{
  "manageEntity": {
    "action": "Update",
    "entityId": "670006010",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xef9748bf34653ce6f76f54b32b0ee5c43093a36c50c09beeb1ebf3883fbf8afa",
    "signature": "0x183fe9c91c52d266232dcb4b3213909ec0237c6b47b49f516b3963a1a54d1f2c2fbe6d6eb0d1937776cd9a22f8a61095720c3f9c4d21cdb583978d268addd5dc1b",
    "signer": "0x2413679eD5Aa7730aDf989AFC81d0a69AEB061AB",
    "userId": "670006010"
  }
}